* {
    padding: 0;
    margin: 0;
  }
  html {
    height: 100%;
  }
  body {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-image: url(../images/bg.jpg);
    border: 0.1px solid solid;
    /* box-sizing: border-box; */
    /* overflow: hidden; */
    /* overflow: scroll; */
    /* filter: blur(15px); */
    /* opacity: 0.5; */
    /* background: url(../images/bg.jpg) no-repeat 50%; */
  }
  body::after {
    content: '';
    display: block;
  }
  .login_box {
    position: relative;
    top: 100px;
    width: 300px;
    height: 330px;
    margin: 0px auto;
    padding: 50px;
    background: #fff;
    border-radius: 5px;
    box-shadow: #999 0px 2px 10px;
  }
  .login_box .avatar {
    width: 100%;
    /* height: 400px; */
  }
  .login_box .avatar::after {
    content: '';
    display: block;
    clear:both;
  }
  .login_box .avatar li {
    float: left;
    width: 60px;
    height: 60px;
    list-style: none;
    padding: 2px;
    box-sizing: border-box;
  }
  .login_box .avatar li.now {
    border: 1px solid red;
  }
  .login_box .avatar li img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
  }
  .bubble>img{
    width: 200px;
    height: 200px;
  }
  .login_box .title {
    text-align: center;
    font-size: 22px;
  }
  .login_box p {
    font-size: 16px;
    padding: 10px 0px;
  }
  .login_box input, .login_box button {
    display: block;
    width: 100%;
    padding: 8px 0;
  }
  .login_box button {
    background: #3caf36;
    border: 0px;
    border-radius: 2px;
    color: #fff;
    margin-top: 20px;
    cursor: pointer;
  }
  .invisible {
    display: none;
  }
  
  .user-list img, .box-bd .avatar {
    width: 40px;
    height: 40px;
  }
  
  .container {
    margin: 0px auto;
    max-width: 1000px;
    min-width: 700px;
    width: 100%;
    height: 100%;
    min-height: 720px;
    border-radius: 3px;
  }
  
  .container .user-list {
    box-sizing: border-box;
    padding: 15px;
    float: left;
    height: 100%;
    width: 280px;
    background: #2e3238;
    color: #fff;
    font-size: 16px;
  }
  .user-list ul {
    height: 580px;
    overflow: auto;
    /* scrollbar-width: 0px; */
  }
  
  .container .header, .container .title {
    border-bottom: 1px solid #26292e;
    margin-bottom: 10px;
    padding-bottom: 10px;
  }
  .container h3 {
    /* font-size: 10px; */
    font-weight: normal;
    /* border-top: 1px solid #f2f2f2; */
  }
  .container .avatar {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    display: inline-block;
  }
  .info, .user .name{
    float: right;
    width: 190px;
    height: 40px;
    line-height: 40px;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
  }
  
  .container .user-list .user {
    list-style: none;
    padding: 10px 0px;
  }
  .container .box {
    /* float: right; */
    display: inline-block;
    height: 100%;
    width: calc(100% - 280px);
    min-width: 420px;
    background: #eeeeee;
    padding: 10px;
    box-sizing: border-box;
  }
  
  .container .box .box-hd {
    text-align: center;
    border-bottom: 1px solid #d6d6d6;
    padding-bottom: 10px;
  }
  .container .box .box-bd {
    width: 100%;
    height: 70%;
    overflow: auto;
    padding: 10px 0px;
  }
  
  /* 设置滚动条样式 */
  /* 滚动条整体样式 */
  .user-list ul::-webkit-scrollbar, .container .box .box-bd::-webkit-scrollbar, .box-ft #content::-webkit-scrollbar {
    width: 5px;
    height: 1px;
  }
  /* 滚动条里面的小方块 */
  .user-list ul::-webkit-scrollbar-thumb, .container .box .box-bd::-webkit-scrollbar-thumb, .box-ft #content::-webkit-scrollbar-thumb {
    border-radius: 4px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    background: #f2f2f2;
  }
  /* 滚动条里面的轨道 */
  .user-list ul::-webkit-scrollbar-track, .container .box .box-bd::-webkit-scrollbar-track, .box-ft #content::-webkit-scrollbar-track {
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    background: #fff;
  }
  
  .box-ft {
    border-top: 1px solid #d6d6d6;
    width: 100%;
    height: 180px;
    /* overflow: hidden; */
  }
  .box-ft .toolbar {
    width: 100%;
    height: 40px;
    padding: 5px;
    box-sizing: border-box;
  }
  .box-ft .toolbar label {
    display: inline-block;
    width: 30px;
    height: 30px;
    cursor: pointer;
  }
  .box-ft .action {
    float: right;
    height: 40px;
    font-size: 12px;
    color: #9b9b9b;
  }
  .box-ft .action .btn-send{
    /* width: 40px; */
    display: inline-block;
    padding: 2px 25px;
    background: #fcfcfd;
    color: black;
    text-decoration: none;
    border: 1px solid #9b9b9b;
    font-size: 16px;
    border-radius: 3px;
  }
  .box-ft .action .btn-send:hover {
    background: #f8f8f8;
  }
  .box-ft .content, .box-ft #content {
    height: 120px;
    border: 0px solid black;
    background: #eeeeee;
    outline: none;
    width: 100%;
    font-size: 18px;
    overflow: auto;
  }
  .box-ft .toolbar a {
    display: inline-block;
    width: 30px;
    height: 30px;
    background: url(../images/icon.png);
    background-size: 487px 462px;
  }
  .box-ft .toolbar a.face {
    background-position: -404px -398px;
  }
  .box-ft .toolbar a.screen-cut {
    background-position: -30px -432px;
  }
  .box-ft .toolbar a.file {
    /* background-size: 487px 462px; */
    background-position: -120px -432px;
  }
  .box-bd .message-box {
    padding: 10px;
    position: relative;
  }
  .box-bd .message-box .content {
    max-width: 400px;
    display: inline-block;
    padding: 5px 10px;
    box-sizing: border-box;
    line-height: 30px;
    vertical-align: top;
    background: #fff;
    border-radius: 4px;
    position: relative;
  }
  /* 添加消息框中的小三角 */
  .box-bd .message-box .other .content::before {
    position: absolute;
    top: 14px;
    border: 6px solid transparent;
    content: "";
    left: -10px;
    border-right-color: #fff;
    border-right-width: 4px
  }
  .box-bd .message-box .my .content::after {
    position: absolute;
    left: 100%;
    top: 14px;
    border: 6px solid transparent;
    content: "";
    border-left-color: #b2e281;
    border-left-width: 4px
  }
  
  
  .box-bd .message-box .my .avatar, .box-bd .message-box .my .content{
    float: right;
    margin-right: 10px;
    background: #b2e281;
  }
  .box-bd .message-box .my::after {
    content: "";
    display: block;
    clear: both;
  }
  .nickname {
    position: absolute;
    top: -10px;
    color: #b7b7b7;
    font-size: 12px;
  }
  .system {
    text-align: center;
    color: #b7b7b7;
    font-size: 12px;
  }
  .system.leave {
    color: #cc3322;
  }
  .bubble_cont img {
    max-width: 300px;
  }
  ul .user {
    border-bottom: 1px solid #26292e;
  }
  .container .user-list .active{
    background: #3a3f45;
  }
  .bubble_toName {
    position: absolute;
    font-size: 12px;
    color: gray;
    top: 0;
    left: 100%;
    width: 30px;
    height: 40px;
    line-height: 40px;
    margin-left: 10px;
  }
  .my .bubble_toName {
    left: -40px;
  }